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Biochemical Engineering - Agitation and Aeration - Discussion

Discussion Forum : Agitation and Aeration - Section 3 (Q.No. 20)
Agitation and Aeration
20.
The power required by an agitator operating in a gas-sparged system is
lesser than the power required by an impeller in operating at same speed in a gas free system
more than the power required by an impeller in operating at same speed in a gas free system
same as the power required by an impeller in operating at same speed in a gas free system
none of the above
Answer: Option
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